Therefore, the following operations can be performed until 31 December 2022:

• Cancellation of electronic invoices for fiscal years before 2022;
• Using version 3.3 of CFDI e-invoices (version 4.0 will become mandatory from January 2023, as per the previous update from 15 June);
• Invoice issuance without an e-signature or digital seal certificate requirement (only for taxpayers under the Simplified Tr…